Subsequent.js vs React? It’s a Partnership, Now not a Festival

by | Feb 6, 2023 | Etcetera | 0 comments

There’s no shortage of JavaScript libraries and frameworks for modern web developers. One of the vital ubiquitous libraries is React, which Facebook (now Meta) created to lend a hand assemble feature-rich systems. React systems traditionally run in web browsers, then again the Subsequent.js framework extends React capacity to the server side throughout the JavaScript runtime atmosphere Node.js.

In this article, we’ll check out Next.js and React with the intention to come to a decision within the match that they’re correct to your next undertaking.

Next.js and React: JavaScript on the Next Level

A 2022 SlashData survey came upon that there are more than 17 million JavaScript programmers everywhere the sector, major a pack that incorporates in taste languages like Python and Java. JavaScript can be used on each and every the client and server aspects, and this versatility method developers can assemble full-blown systems using one programming language.

 Chart showing the number of programmers using various languages suggests many are wondering about Next.js vs React.
Slash/Wisdom survey of languages used by programmers in 2022. (Provide: Statista)

The arrival of JavaScript libraries like React and frameworks like Next.js further enhanced that construction. The ones libraries and frameworks provide choices that simplify frontend and backend integration. Additionally, developers can extend JavaScript options using package deal deal managers like npm (the Node.js package deal deal manager) to place in JavaScript libraries and kit. The ones belongings provide delicate choices that scale back the amount of code you should write yourself.

The extensibility of JavaScript means that a whole knowledge of its most not unusual apparatus is necessary on your success as a web developer.

What Is Next.js?

Initially introduced in 2016 via Vercel, Next.js is an open-source React framework that provides the advance blocks to create high-performance internet programs. Primary companies have since adopted it, along side Twitch, TikTok, and Uber, to name a few.

Next.js supplies one of the crucial absolute best developer opinions for building fast, SEO-friendly systems. Underneath are some choices of Next.js that make it an excellent production framework:

  • Hybrid rendering options
  • Automated code-splitting
  • Image optimization
  • Built-in improve for CSS preprocessors and CSS-in-JS libraries
  • Built-in routing

Those choices lend a hand Next.js developers save in reality in depth time on configuration and tooling. You’ll leap immediately to building your instrument, which might perhaps improve duties like the following:

  • Ecommerce retail outlets
  • Blogs
  • Dashboards
  • Single-page systems
  • Engage client interfaces
  • Static internet pages

What Is React?

React is a JavaScript library used to build dynamic client interfaces. In conjunction with rising web interfaces, you’ll assemble mobile systems using React Native.

Some benefits of using React include:

  • Complex capability: Instead of updating every issue throughout the DOM, React uses a virtual DOM to switch most efficient the changed portions.
  • Carefully component-based: On every occasion you create a component, you’ll reuse it over and over.
  • Easy debugging: React systems use a unidirectional data flow – from guardian to child portions most efficient.

Next.js vs React

Although developers endlessly use Next.js and React for the same objective, there are some fundamental permutations between the two.

Ease of Use

It’s easy to begin with Next.js and React. Each requires working single directions on your terminal using npx, which is part of the npm for Node.js.

For Next.js, the most straightforward command is:

npx create-next-app

With no additional arguments for create-next-app, the arrange will proceed in interactive mode. You’ll be asked for a undertaking establish (which can be utilized for the undertaking list), and whether or not or now not you want to include improve for TypeScript and the code linter ESLint.

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It’s going to look something like this:

Screenshot of a Next.js application being created with npx.
Creating a Next.js instrument in interactive mode.

When initializing a React instance, the most straightforward command includes a establish for the undertaking’s list:

npx create-react-app new-app

This generates a folder containing all the necessary initial configurations and dependencies:

Screenshot of a React project being created with npx.
Creating a React undertaking on the terminal command line.

While each and every make it easy to start out out, keep in mind that Next.js is built on easiest of React. So, you’ll’t learn Next.js without first learning React and understanding how it works. Fortunately, React boasts a gentle learning curve and is excellent for newbies.

It’s moreover vital to note that React is slightly unstructured. You must arrange and organize a React router and come to a decision handle data fetching, image optimization, and code-splitting. This setup calls so that you can installed and configure additional libraries and kit.

By contrast, Next.js comes with the ones apparatus pre-installed and pre-configured. With Next.js, any file added to the pages folder mechanically serves as a direction. As a result of this built-in improve, Next.js is more straightforward to art work with daily, enabling you to start out out coding your instrument’s just right judgment instantly.

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Next.js and React Choices

Because of Next.js is consistent with React, the two proportion some choices. On the other hand, Next.js goes a step further and comprises additional choices like routing, code-splitting, pre-rendering, and API improve correct out of the sphere. The ones are choices that you would need to configure yourself when using React.

Wisdom Fetching

React renders data on the client side. The server sends static files to the browser, and then the browser fetches the data from APIs to populate the appliance. This process reduces app capability and gives a poor client enjoy given that app quite so much slowly. Next.js solves this drawback through pre-rendering.

With pre-rendering, the server makes the necessary API calls and fetches the data quicker than sending the appliance to the browser. As such, the browser receives ready-to-render web pages.

Pre-rendering can check with static internet web page technology (SSG) or server-side rendering (SSR). In SSG, the HTML pages are generated at assemble time and reused for multiple requests. Next.js can generate HTML pages with or without data.

Underneath is an example of the best way Next.js generates pages without data:

function App() {
} export default App

For static pages that devour external data, use the getStaticProps() function. On every occasion you export getStaticProps() from a internet web page, Next.js will pre-render the internet web page using the props it returns. This function always runs on the server, so use getStaticProps() when the data the internet web page uses is available at assemble time. For instance, you’ll use it to fetch blog posts from a CMS.

const Posts= ({ posts }) => {
    return (
{, index) => ( // render every publish ))}
); }; export const getStaticProps = async () => { const posts = getAllPosts(); return { props: { posts }, }; };

In situations where the internet web page paths depend on external data, use the getStaticPaths() function. So, to create a path consistent with the publish ID, export the getStaticPaths() from the internet web page.

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For instance, chances are high that you’ll export getStaticPaths() from pages/posts/[id].js as confirmed beneath.

export getStaticPaths = async()  => {
  // Get all the posts
  const posts = stay up for getAllPosts()

  // Get the paths you want to pre-render consistent with posts
  const paths = => ({
    params: { identification: publish.identification },
  return { paths, fallback: false }

getStaticPaths() is endlessly paired with getStaticProps(). In this example, you might be able to use getStaticProps() to fetch the details of the ID throughout the path.

export const getStaticProps = async ({ params }) => {
    const publish = stay up for getSinglePost(params.identification);
    return {
        props: { publish }

In SSR, data is fetched at the requested time and sent to the browser. To use SSR, export the getServerSide() props function from the internet web page you want to render. The server calls this function on every request, which makes SSR useful for pages that devour dynamic data.

For instance, you’ll use it to fetch data from a knowledge API.

const Knowledge = ({ data }) => {
    return (
        // render data

export async function getServerSideProps() {
    const res = stay up for fetch(`https://app-url/data`)
    const data = stay up for res.json()
    return { props: { data } }

The tips is fetched on every request and passed to the Knowledge issue by means of props.

Code Splitting

Code splitting is dividing code into chunks that the browser can load on name for. It reduces the amount of code sent to the browser throughout the initial load, since the server sends most efficient what the patron needs. Bundlers like Webpack, Rollup, and Browserify improve code-splitting in React.

Next.js is helping code-splitting out of the sphere.

With Next.js, every internet web page is code-split, and together with pages to the appliance does not building up the package deal dimension. Next.js moreover is helping dynamic imports, which helps you to import JavaScript modules and load them dynamically throughout runtime. Dynamic imports contribute to faster internet web page speeds because of bundles are lazy-loaded.

For instance, throughout the Area issue beneath, the server gained’t include the hero issue throughout the initial package deal.

const DynamicHero = dynamic(() => import('../portions/Hero'), {
  suspense: true,

export default function Area() {
  return (

Instead, the suspense’s fallback factor can also be rendered quicker than the hero issue is loaded.

API Strengthen in Next.js vs React

The Next.js API routing serve as permits you to write backend and frontend code within the an identical codebase. Any internet web page saved throughout the /pages/api/ folder is mapped to the /api/* direction, and Next.js treats it like an API endpoint.

For instance, you’ll create a pages/api/client.js API direction that returns the existing client’s establish like this:

export default function client(req, res) {
    res.status(200).json({ username: 'Jane' });

Will have to you visit the https://app-url/api/client URL, you’ll see the username object.

        username: 'Jane'

API routes are helpful when you want to mask the URL of a service you’re gaining access to or want to keep atmosphere variables a secret without coding a whole backend instrument.

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Next.js is undoubtedly superior in its talent to create better-performing apps with a simplified process. SSR and SSG Next.js systems perform more than client-side rendering (CSR) React systems. By means of fetching data on the server and sending everything the browser should render, Next.js eliminates the need for a data-fetch request to APIs. This means faster load events.

Additionally, because of Next.js is helping client-side routing. The browser does not should fetch data from the server every time a client navigates to each and every different direction. Additionally, the Next.js image issue lets in automated image optimization. Pictures load most efficient once they enter the viewport. Where possible, Next.js moreover serves photos in stylish formats like WebP.

Next.js moreover provides font optimizations, just right direction prefetching, and bundling optimizations. The ones optimizations aren’t mechanically available in React.


Because of React has been spherical for longer than Next.js, it has a further extensive staff. On the other hand, many React developers are adopting Next.js, so that staff is emerging often. Developers are further merely finding present solutions to problems they bump into rather than having to build solutions from scratch.

Next.js moreover choices superb documentation with entire examples which may well be easy to grasp. Regardless of its reputation, React documentation isn’t as navigable.

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Choosing Next.js or React comes all of the method all the way down to an instrument’s prerequisites.

Next.js enhances React’s options via providing development and kit that make stronger capability. The ones apparatus, like routing, code-splitting, and image optimization, are built into Next.js, because of this developers don’t should configure the rest manually. Thanks to these choices, Next.js is inconspicuous to use, and developers can get started coding the business just right judgment instantly.

As a result of the opposite rendering possible choices, Next.js is suitable for server-side rendered systems or systems that blend static technology and Node.js server-side rendering. Moreover, because of the optimization serve as provided via Next.js, it’s highest for web sites that want to be fast, like ecommerce retail outlets.

React is a JavaScript library that mean you can create and scale difficult front-end systems. Its syntax could also be simple, specifically for developers with a JavaScript background. Additionally, you’ve control over the apparatus you use on your instrument and the best way you configure them.

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